The wireless performance is exemplary, as the Monsgeek FUN60 Ultra achieves a sampling rate of up to 8,000 hertz in 2.4 GHz ...

A standard telephone keypad, with four rows of three keys each. The top row consists of 1, 2, and 3, with keys continuing down in order until the last row, which is usually *, 0, and #. Such a keypad ...

The Lowfree Flow84 is the latest episode in my on-again, off-again love affair with mechanical keyboards. I describe it ...

Here’s a fun build from [RootSaid] that is suitable for people just getting started with microcontrollers and robotics — an Arduino-controlled two-wheeled robot. The video assumes you already have one ...

The choice of a good keyboard is something which consumes a lot of time for many Hackaday readers, judging by the number of custom input device projects which make it to these pages. I live by my ...

A keyboard matrix circuit is a design used in most electronic musical keyboards and computer keyboards in which the key switches are connected by a grid of wires, similar to a diode matrix. This kind ...

Keypad phones, believe it or not, are still in use, and there is a surprising amount of variety to choose from. Some of the phones include 4G connectivity, cameras, and are built to last. If you're ...

Abstract: With the recent proliferation of open-source packages for computing, power system differential-algebraic equation (DAE) modeling and simulation are being revisited to reduce the programming ...

Abstract: In an era where homeowners frequently leave for work or education, robust security for residences is imperative. Traditional security measures, including window and door locks, present ...

The pico-ble-secure library provides an easy-to-use interface for implementing secure BLE connections on Raspberry Pi Pico microcontrollers. It supports various security levels, pairing methods, and ...

The Lutron® Wall Keypad Alisse is an elegant, balanced, and versatile wall control that is designed to work seamlessly with Lutron HomeWorks. Choose from a range of button configurations to meet the ...

A lot of US business phone numbers have letters in them so they can be more easily remembered. Your iPhone has a number and letter keypad; each number corresponds to three or four numbers. To dial ...